One spectator was killed and two were hurt in the shooting on July 13.
Federal authorities are investigating after former President Donald Trump was shot in the ear in an assassination attempt at an election rally in Butler, Pennsylvania, on July 13.
The alleged shooter was killed by snipers. One spectator was killed and two were hurt, officials said.
The Biden campaign said it will halt all ads for the presidential race.
"The Biden campaign is pausing all outbound communications and working to pull down our television ads as quickly as possible," a campaign spokesman said.
-ABC News' Gabriella Abdul-Hakim
The White House announced that Biden will shortly deliver remarks with regards to the shooting at the Trump rally in Pennsylvania.
Former President Trump is getting treatment at a local medical facility and is doing OK, a law enforcement source told ABC News.
This will be “investigated as an assassination attempt until it is not,” according to the source.
-ABC News' Pierre Thomas
Former President Donald Trump’s eldest son, Donald Trump Jr, told ABC News he has spoken to his father who remains at the hospital.
He said his father is "in good spirits" as he remains under observation adding that his father is "never gonna stop."
-ABC News' John Santucci
